What is a variable?

O

A. A summary of another scientist's work

O

B. An educated guess about the outcome of an experiment

O

C. Something that can change during an experiment

O

D. The analysis of the results of an experiment

An electron is traveling through a uniform electric field. The field is constant and given by E⃗ = (2.00*10-11N/C) i^ - (1.20*10-11N/C) j^. At t=0, the electron is at the origin and traveling in the x direction with a speed of 2.10 m/s.

Compare and contrast deposition caused by wind with deposition caused by moving water.

Find the weight of a 50-kg person on Earth. Remember, g = 9.8m/s2. Show your work.

Which part of the ear receives the signal from the eardrum?

The specific angular momentum of a spacecraft in circular Earth orbit is 48,000 km2 / s. Determine the period of the orbit.

What is the volume of a box that is 12 cm long, 2 cm wide, and 3 cm high?

Suppose a child drives a bumper car head on into the side rail, which exerts a force of 4000 N on the car for 0.200 s. (a) What impulse is imparted by this force?

If a soundproof door is almost shut but still leaves a small opening, what wave phenomenon is responsible for someone being able to hear sound from the room while standing by the wall to the side of the opening?

What happens to the force of gravitational attraction if the distance between two objects increase?

How are molecules in a neutral state different from ions?